{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68820",
    "entityType": "User",
    "nonce": "0x1af9580c53cde75da9b355402f60fc9c5c1212404698ca7a98e4817726dec5f4",
    "signature": "0x3d678c6dd9d8bda0a7e843b7c51256631254724d0955fa50a238338625f0a70e15d7e66978d29417e1570fb85e075e080af7155a289500f3050d2342b10d43c21b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}